private AssemblyMetadata CompileWithRoslynInMemory(string[] source)
{
Console.WriteLine($"RoslynCompile> Compiling sources with Roslyn: {string.Join(" ", source)}\n");
var srcFileName = Path.GetFileNameWithoutExtension(this.FirstSource);
var assemblyName = srcFileName;
var defineSeparators = new[] { ';', ' ' };
var syntaxTrees =
source.Select(
s =>
CSharpSyntaxTree.ParseText(
SourceText.From(new FileStream(s, FileMode.Open, FileAccess.Read), Encoding.UTF8),
new CSharpParseOptions(
LanguageVersion.Experimental,
preprocessorSymbols: this.Options["DefineConstants"].Split(defineSeparators, StringSplitOptions.RemoveEmptyEntries)),
s));
var assemblies = new List <MetadataImageReference>();
this.Assemblies = this.LoadReferencesForCompiling(assemblies);
Console.WriteLine($" > References: {string.Join(" ", assemblies.Select(asm => asm.Display))}");
var options =
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithAllowUnsafe(true)
.WithOptimizations(!DebugOutput)
.WithRuntimeMetadataVersion("4.5");
var compilation = CSharpCompilation.Create(assemblyName, syntaxTrees, assemblies.ToArray(), options);
var dllStream = new MemoryStream();
var pdbStream = new MemoryStream();
PEModuleBuilder.OnMethodBoundBodySynthesizedDelegate peModuleBuilderOnOnMethodBoundBodySynthesized = (symbol, body) =>
{
var key = symbol.ToKeyString();
Debug.Assert(!this.boundBodyByMethodSymbol.ContainsKey(key), "Check if method is partial");
this.boundBodyByMethodSymbol[key] = body;
};
PEModuleBuilder.OnSourceMethodDelegate peModuleBuilderOnSourceMethod = (symbol, sourceMethod) =>
{
var key = symbol.ToKeyString();
Debug.Assert(!this.sourceMethodByMethodSymbol.ContainsKey(key), "Check if method is partial");
this.sourceMethodByMethodSymbol[key] = sourceMethod;
};
PEModuleBuilder.OnMethodBoundBodySynthesized += peModuleBuilderOnOnMethodBoundBodySynthesized;
PEModuleBuilder.OnSourceMethod += peModuleBuilderOnSourceMethod;
var result = compilation.Emit(peStream: dllStream, pdbStream: pdbStream);
PEModuleBuilder.OnMethodBoundBodySynthesized -= peModuleBuilderOnOnMethodBoundBodySynthesized;
PEModuleBuilder.OnSourceMethod -= peModuleBuilderOnSourceMethod;
if (result.Diagnostics.Length > 0)
{
var errors = result.Diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error).ToList();
Console.WriteLine(@"Errors: {0}", errors.Count);
foreach (var diagnostic in errors)
{
Console.WriteLine(diagnostic);
}
var diagnostics = result.Diagnostics.Where(d => d.Severity != DiagnosticSeverity.Error);
Console.WriteLine(@"Warnings/Info: {0}", diagnostics.Count());
foreach (var diagnostic in diagnostics)
{
Console.WriteLine(diagnostic);
}
}
dllStream.Flush();
dllStream.Position = 0;
pdbStream.Flush();
pdbStream.Position = 0;
// Successful Compile
return(AssemblyMetadata.CreateFromImageStream(dllStream));
}
private bool CompileTo(string[] source, Stream dllStream, Stream pdbStream)
{
var assemblyName = Path.GetFileNameWithoutExtension(this.FirstSource);
var defineSeparators = new[] { ';', ',', ' ' };
var syntaxTrees =
source.Select(
s =>
CSharpSyntaxTree.ParseText(
SourceText.From(new FileStream(s, FileMode.Open, FileAccess.Read), Encoding.UTF8),
new CSharpParseOptions(
LanguageVersion.Latest,
preprocessorSymbols: (this.Options["DefineConstants"] ?? string.Empty).Split(defineSeparators, StringSplitOptions.RemoveEmptyEntries)),
s));
var assemblies = new List <MetadataImageReference>();
this.Assemblies = this.LoadReferencesForCompiling(assemblies);
var options =
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary).WithAllowUnsafe(true)
.WithOptimizationLevel(DebugOutput ? OptimizationLevel.Debug : OptimizationLevel.Release)
.WithConcurrentBuild(true);
var compilation = CSharpCompilation.Create(assemblyName, syntaxTrees, assemblies.ToArray(), options);
PEModuleBuilder.OnMethodBoundBodySynthesizedDelegate peModuleBuilderOnOnMethodBoundBodySynthesized = (symbol, body) =>
{
var key = symbol.ToKeyString();
Debug.Assert(!this.boundBodyByMethodSymbol.ContainsKey(key), "Check if method is partial");
this.boundBodyByMethodSymbol[key] = body;
};
PEModuleBuilder.OnSourceMethodDelegate peModuleBuilderOnSourceMethod = (symbol, sourceMethod) =>
{
var key = symbol.ToKeyString();
Debug.Assert(!this.sourceMethodByMethodSymbol.ContainsKey(key), "Check if method is partial");
this.sourceMethodByMethodSymbol[key] = sourceMethod;
};
PEModuleBuilder.OnMethodBoundBodySynthesized += peModuleBuilderOnOnMethodBoundBodySynthesized;
PEModuleBuilder.OnSourceMethod += peModuleBuilderOnSourceMethod;
var result = compilation.Emit(peStream: dllStream, pdbStream: pdbStream);
PEModuleBuilder.OnMethodBoundBodySynthesized -= peModuleBuilderOnOnMethodBoundBodySynthesized;
PEModuleBuilder.OnSourceMethod -= peModuleBuilderOnSourceMethod;
if (result.Diagnostics.Length > 0)
{
var errors = result.Diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error).ToList();
Console.WriteLine(@"Errors: {0}", errors.Count);
foreach (var diagnostic in errors)
{
Console.WriteLine(diagnostic);
}
var diagnostics = result.Diagnostics.Where(d => d.Severity != DiagnosticSeverity.Error);
Console.WriteLine(@"Warnings/Info: {0}", diagnostics.Count());
foreach (var diagnostic in diagnostics)
{
Console.WriteLine(diagnostic);
}
return(errors.Count == 0);
}
return(true);
}
